Home / 14,525.91-20,039.09-8,554.72

Finding the Fourth Proportional to 14,525.91, 20,039.09 and 8,554.72

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Solution

The fourth proportional to 14,525.91, 20,039.09 and 8,554.72 is: 11,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.91 : 20,039.09 = 8,554.72 : x
  2. Step 2: Convert to fraction form
    14,525.91/20,039.09 = 8,554.72/x
  3. Step 3: Cross multiply
    14,525.91x = 20,039.09 × 8,554.72
  4. Step 4: Simplify right side
    14,525.91x = 171,428,703.81
  5. Step 5: Solve for x
    x = 171,428,703.81/14,525.91
  6. Step 6: Final answer
    x = 11,801.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.